using System;
/*
 * This file is part of the iText project.
 * Copyright (c) 1998-2009 1T3XT BVBA
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * you must retain the producer line in every PDF that is created or manipulated
 * using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */

namespace iTextSharp.text.pdf {
    /**
    * Implements the PostScript XObject.
    */
    public class PdfPSXObject : PdfTemplate {
        
        /** Creates a new instance of PdfPSXObject */
        protected PdfPSXObject() {
        }
        
        /**
        * Constructs a PSXObject
        * @param wr
        */
        public PdfPSXObject(PdfWriter wr) : base(wr) {
        }

        /**
        * Gets the stream representing this object.
        *
        * @param   compressionLevel    the compressionLevel
        * @return the stream representing this template
        * @since   2.1.3   (replacing the method without param compressionLevel)
        * @throws IOException
        */
        internal override PdfStream GetFormXObject(int compressionLevel) {
            PdfStream s = new PdfStream(content.ToByteArray());
            s.Put(PdfName.TYPE, PdfName.XOBJECT);
            s.Put(PdfName.SUBTYPE, PdfName.PS);
            s.FlateCompress(compressionLevel);
            return s;
        }
            
        /**
        * Gets a duplicate of this <CODE>PdfPSXObject</CODE>. All
        * the members are copied by reference but the buffer stays different.
        * @return a copy of this <CODE>PdfPSXObject</CODE>
        */
        
        public override PdfContentByte Duplicate {
            get {
                PdfPSXObject tpl = new PdfPSXObject();
                tpl.writer = writer;
                tpl.pdf = pdf;
                tpl.thisReference = thisReference;
                tpl.pageResources = pageResources;
                tpl.separator = separator;
                return tpl;
            }
        }
    }
}
